APA (7th ed.) Citation

Harvester, Varoufakis, Y., & Young, D. (1990). Conflict in economics. Harvester.

Chicago Style (17th ed.) Citation

Harvester, Yanis Varoufakis, and David Young. Conflict in Economics. New York: Harvester, 1990.

MLA (8th ed.) Citation

Harvester, et al. Conflict in Economics. Harvester, 1990.